PATHOLOGY

Detailed explanation-1: -So, as a recap, let’s answer the question “What exactly is a pandemic?” A pandemic refers to a disease event in which there are more cases of a disease than expected spread over several Page 4 countries or continents, usually involving person-to-person transmission and affecting a large number of people.

Detailed explanation-2: -Major pandemics and epidemics such as plague, cholera, flu, severe acute respiratory syndrome coronavirus (SARS-CoV) and Middle East respiratory syndrome coronavirus (MERS-CoV) have already afflicted humanity. The world is now facing the new coronavirus disease 2019 (COVID-19) pandemic.

Detailed explanation-3: -Disease outbreaks are usually caused by an infection, transmitted through person-to-person contact, animal-to-person contact, or from the environment or other media. Outbreaks may also occur following exposure to chemicals or to radioactive materials. For example, Minamata disease is caused by exposure to mercury.